From patchwork Mon Mar 1 06:47:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhangqing X-Patchwork-Id: 388885 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFFBEC433E0 for ; Mon, 1 Mar 2021 06:56:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 98C1E64E31 for ; Mon, 1 Mar 2021 06:56:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232142AbhCAG4Y (ORCPT ); Mon, 1 Mar 2021 01:56:24 -0500 Received: from lucky1.263xmail.com ([211.157.147.134]:56490 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232113AbhCAG4X (ORCPT ); Mon, 1 Mar 2021 01:56:23 -0500 X-Greylist: delayed 358 seconds by postgrey-1.27 at vger.kernel.org; Mon, 01 Mar 2021 01:56:20 EST Received: from localhost (unknown [192.168.167.70]) by lucky1.263xmail.com (Postfix) with ESMTP id 012BCC773B; Mon, 1 Mar 2021 14:47:54 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P31655T140708449044224S1614581271100343_; Mon, 01 Mar 2021 14:47:53 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <52b2238924d7b763dd3652637e22d8c3> X-RL-SENDER: zhangqing@rock-chips.com X-SENDER: zhangqing@rock-chips.com X-LOGIN-NAME: zhangqing@rock-chips.com X-FST-TO: mturquette@baylibre.com X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Elaine Zhang To: mturquette@baylibre.com, robh+dt@kernel.org, sboyd@kernel.org, heiko@sntech.de Cc: devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, cl@rock-chips.com, huangtao@rock-chips.com, kever.yang@rock-chips.com, tony.xie@rock-chips.com, finley.xiao@rock-chips.com, Elaine Zhang Subject: [PATCH v3 1/4] dt-binding: clock: Document rockchip, rk3568-cru bindings Date: Mon, 1 Mar 2021 14:47:46 +0800 Message-Id: <20210301064749.10392-2-zhangqing@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210301064749.10392-1-zhangqing@rock-chips.com> References: <20210301064749.10392-1-zhangqing@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Document the device tree bindings of the rockchip Rk3568 SoC clock driver in Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml. Signed-off-by: Elaine Zhang Reviewed-by: Kever Yang --- .../bindings/clock/rockchip,rk3568-cru.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml new file mode 100644 index 000000000000..b2c26097827f --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3568-cru.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/rockchip,rk3568-cru.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ROCKCHIP rk3568 Family Clock Control Module Binding + +maintainers: + - Elaine Zhang + - Heiko Stuebner + +description: | + The RK3568 clock controller generates the clock and also implements a + reset controller for SoC peripherals. + (examples: provide SCLK_UART1\PCLK_UART1 and SRST_P_UART1\SRST_S_UART1 for UART module) + Each clock is assigned an identifier and client nodes can use this identifier + to specify the clock which they consume. All available clocks are defined as + preprocessor macros in the dt-bindings/clock/rk3568-cru.h headers and can be + used in device tree sources. + +properties: + compatible: + enum: + - rockchip,rk3568-cru + - rockchip,rk3568-pmucru + + reg: + maxItems: 1 + + "#clock-cells": + const: 1 + + "#reset-cells": + const: 1 + +required: + - compatible + - reg + - "#clock-cells" + - "#reset-cells" + +additionalProperties: false + +examples: + # Clock Control Module node: + - | + pmucru: clock-controller@fdd00000 { + compatible = "rockchip,rk3568-pmucru"; + reg = <0xfdd00000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + - | + cru: clock-controller@fdd20000 { + compatible = "rockchip,rk3568-cru"; + reg = <0xfdd20000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + };